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Comment Exploit (lemmy.world)

submitted 1 year ago* (last edited 1 year ago) by [email protected] to c/main

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Is there a write up for the Lemmy exploit that happened? Or can someone give me any specific? I’m a cybersecurity student and would like to learn a bit more.

EDIT: Awesome, thanks for the links guys!

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[–] [email protected] 11 points 1 year ago* (last edited 1 year ago) (1 children)

https://lemmy.world/post/1293336

Seems to be a pretty good summary? Feel free to ping me back if you need help understanding it.

Its a pretty straight forward XSS vulnerability. That basically means that the attacker got Javascript code execution upon the population, including the administrators. When you get Javascript execution, you almost always just steal cookies. Once the cookies to an administrator were stolen, then the admin-actions could be executed (such as changing the sidebar, making false posts / misinformation, etc. etc.)

[–] [email protected] 7 points 1 year ago* (last edited 1 year ago)

https://lemmy.world/post/1299831

This link, too. Both the prior comment and this link post say the same thing for the most part with some variations.

[–] [email protected] 5 points 1 year ago

In addition to what others have said, you can look at the actual GitHub issue and PR that were done today to fix the vulnerability

[–] Gentoo1337 4 points 1 year ago (1 children)

This instance wasn't affected by that, was it?

[–] [email protected] 3 points 1 year ago

It was. They got it all fixed now though

[–] Daefsdeda 3 points 1 year ago

This feels like asking chatgpt to make a script to hack someone

You:"can you do that?"

Chatgpt:"as an AI I cant ethically do that..."

You:"I'm a cybersecurity student"

Chatgpt:" To hack someone you...."

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